How to Make Fish Aquarium Top: Step-by-Step Guide and Tips

Do you want to keep your aquarium clean and safe? One essential accessory every aquarium owner should consider investing in is an aquarium top cover. Not only does it keep debris and other contaminants from entering the water, but it also provides a barrier for jumping fish, protecting them from potential harm. Instead of purchasing an expensive top cover for your aquarium, why not make one yourself? In this DIY guide, we’ll walk you through the step-by-step process of creating an aquarium top cover that is both cost-effective and functional.

From measuring your aquarium to selecting materials and assembling the cover, we have everything you need to create a perfect fit for your aquarium. So, let’s dive in and get started on creating a top cover that will keep your aquatic friends safe and sound!

Materials Needed

If you’re looking for a fun DIY project for your fish aquarium, making a top can be a great option! To get started, you’ll need a few materials. Firstly, you’ll need to measure the length and width of your tank to ensure you buy the correct size of material. One popular option for a top is a mesh screen, which can be found at most hardware stores.

Alternatively, some people use acrylic or glass cut to size. You’ll also need a tool to cut the material, such as a pair of scissors or a glass cutter, depending on your chosen material. Finally, you’ll need a way to attach the top securely to the aquarium – this could be adhesive strips, clips, or suction cups.

Once you have all your materials ready, you’ll be ready to create a custom top that will not only look great but also keep your fish safe and secure.

Clear Acrylic Sheet

Clear Acrylic Sheet If you’re planning to use a clear acrylic sheet in your next project, there are a few materials you’ll need to have on hand to get the job done right. First and foremost, you’ll need the acrylic sheet itself. Make sure to choose the right size and thickness for your needs.

You’ll also need a saw or cutting tool to trim the sheet down to size if necessary. A straight edge can help ensure a clean, straight cut. To drill holes or shape the acrylic sheet, you’ll need a rotary tool with a cutting or grinding attachment.

Sandpaper or a polishing wheel can be used to smooth out any rough edges. Finally, you’ll need some cleaning supplies such as a soft cloth and a mild cleaner to keep the acrylic sheet looking it’s best. With the right materials on hand, your clear acrylic sheet project is sure to turn out great!

how to make fish aquarium top

Adhesive Tape

When it comes to adhesive tape, there are a few materials you’ll need to have on hand if you plan on using it effectively. First and foremost, you’ll need the adhesive tape itself. This can come in various forms, such as duct tape, masking tape, or electrical tape.

Each type of adhesive tape has its own unique properties, so make sure you choose the right kind for your intended use. You’ll also need a surface that the tape can stick to, such as paper, plastic, or metal. In addition, it’s helpful to have a pair of scissors or a knife on hand so you can cut the tape to the desired length.

Finally, depending on the type of adhesive tape you’re using, you may need to apply pressure to ensure the bond is secure. Using these materials together, you can create a strong and reliable adhesive bond that will hold up to whatever task you have in mind. So the next time you need to stick something together, remember to gather your materials and choose the right kind of adhesive tape for the job at hand.

Measuring Tape

If you’re planning on measuring something accurately, you’re going to need the right tools. One of the most essential tools in any measuring kit is a measuring tape. This simple tool is used to measure lengths, widths, and heights with precision.

The materials needed to use it are straightforward – all you require is a good quality measuring tape. While there are many different types of measuring tapes available, a standard tape measure is what most people are familiar with. These tapes are typically made from flexible materials like plastic or cloth and are designed to be extended and retracted as needed.

They come in a variety of lengths, but the most common ones are 25 feet or 50 feet long. Other options include longer tapes, laser measuring devices, or digital ones, but these tend to be more expensive. Ultimately, what matters most is the job you’re working on and the level of precision you require.

Whatever measuring tape you use, make sure it’s easy to read and calibrated correctly, so you get measurements that are accurate every time.

Marker Pen

When it comes to using a marker pen, the materials you need may depend on the type of project you are working on. For general use, a good quality marker pen is essential, that is known to work well on different surfaces. Look for solvent-based pens which are waterproof, fade-resistant, and dry quickly.

Better yet, opt for markers with replaceable tips to extend their lifespan. Depending on the surface, such as glossy or porous, you may also need to prep the area with primer or sandpaper. For projects that require more precision, a straightedge or stencil may come in handy.

And to protect your workspace and clothing, always use a protective layer such as paper or plastic. By having these materials in hand, you’ll be well-equipped to create vivid and long-lasting artwork or signage.

Handsaw or Jigsaw

When it comes to cutting materials for your next DIY project, choosing between a handsaw or a jigsaw can be a tough decision. The main materials needed for either tool are typically the same: a saw blade and a cutting surface. However, the difference in the design of each tool can greatly impact the type of material you can cut and the quality of the cut.

A handsaw is a traditional tool that requires manual labor and is best for rough cuts on thicker pieces of wood or lumber. On the other hand, a jigsaw is an electric tool that allows for more precision and maneuverability, making it ideal for cutting curves and intricate designs in thinner materials such as plywood or MDF. Ultimately, it’s important to consider the type of material you’ll be working with and the level of precision you need in your cuts before deciding whether to use a handsaw or jigsaw.

Steps for Making the Aquarium Top Cover

If you’re looking to create a safe and secure environment for your aquarium pets, you should consider making a top cover for your fish tank. Luckily, making a top cover for your aquarium isn’t as complicated as it may seem. Here’s how to make a fish aquarium top: Step 1: Measure the opening of your aquarium and determine the dimensions of the top cover.

Step 2: Cut a piece of acrylic or glass to the correct size and shape of your aquarium opening. Step 3: Drill holes in each corner of the acrylic or glass to attach the frame. Step 4: Cut your frame material to size and attach it to the acrylic or glass using screws and bolts.

Step 5: Add any decorations or accessories to the top cover to make it blend in seamlessly with your aquarium. Voila! Your new fish aquarium top is now ready to be added to your tank. Remember to regularly clean the cover to prevent any buildup of dust or grime.

Making a top cover for your fish tank is a simple and cost-effective solution to keep your pets safe and secure.

Step 1: Measure the Dimensions

If you’re a fish lover, then you know how important it is to have a top cover for your aquarium. Not only does it prevent your fish from jumping out of the tank but it also protects them from unwanted outside elements. So, let’s get started on how to make an aquarium top cover.

The first step is to measure the dimensions of the tank. It’s important to measure accurately because any slight deviation can cause the top cover to not fit properly. Once you have the correct measurements, you can go ahead and purchase the materials needed to make the cover.

You can use a variety of materials such as acrylic sheets, mesh, or glass panels. Keep in mind that each material has its own benefits and drawbacks, so choose the one that best suits your needs. By following these steps, you’ll be able to create a safe and secure environment for your fish friends.

Step 2: Mark the Acrylic Sheet

Once you have gathered all the necessary tools and materials, the next step in making your own aquarium top cover is to mark the acrylic sheet. Start by measuring the length and width of your aquarium and then transfer those measurements onto the acrylic sheet. Using a ruler and a marker, carefully mark the lines where the acrylic sheet needs to be cut.

Make sure to double-check your measurements to avoid any mistakes. It’s important to be precise when marking the acrylic sheet because any errors can affect the fit of the cover onto your aquarium. By taking the time to accurately measure and mark the acrylic sheet, you can ensure that your aquarium top cover will be a perfect fit.

Step 3: Cut the Acrylic Sheet

Now that you have measured and marked your acrylic sheet, it’s time to cut it down to size. Make sure you have all necessary tools on hand, including a ruler, a cutting mat, and a sharp utility knife. Place the acrylic sheet on the cutting mat, and using the ruler as your guide, slowly and carefully score the acrylic along the cut line.

Be sure to score the sheet several times, applying more pressure each time until the knife has cut through the sheet. Once you have cut the acrylic sheet, carefully remove any rough edges or sharp edges with a sanding block, making sure the edges are smooth and even. With the acrylic sheet now cut to the appropriate size, you are one step closer to completing your aquarium top cover.

Remember, precision and patience are key when cutting acrylic, so take your time and be cautious.

Step 4: Attach the Adhesive Tape

After accurately measuring and cutting the acrylic sheet, the next crucial step in making the aquarium top cover is attaching the adhesive tape. This tape ensures that the edges of the acrylic sheet do not disrupt the water surface or injure aquarium inhabitants. It’s essential to clean the edges thoroughly with rubbing alcohol to remove any residues and allow the tape to adhere correctly.

Starting from one corner, align the tape evenly along the edge and gently press it until it sticks firmly. Continue the process until all edges have adhesive tape. Take care to avoid air bubbles or wrinkles in the tape, which can compromise its effectiveness.

The adhesive tape provides a secure and safe barrier for your aquatic pets and enhances the aesthetic appeal of your aquarium. Make sure to handle the acrylic sheet with care as it can easily crack or scratch during these steps. With the adhesive tape attached, you’re now ready to complete your aquarium top and provide a comfortable and safe environment for your fish to thrive.

Step 5: Place the Top on the Aquarium

For step 5 of creating your aquarium, it’s time to put the top on to contain your fishy friends safely. But before you do that, you need to make sure that the top cover is fully prepared. Here are the steps to guide you through the process.

First, measure the length and width of your aquarium’s top and mark the size onto a piece of acrylic sheet. Cut it using a saw to ensure it fits precisely. After that, drill holes into the acrylic where the lid handles will be attached.

Smooth out the edges with sandpaper and rinse it with water to clean off the debris. Finally, position the cover on top of your aquarium and secure it with the handles. Your fish tank is now complete, and you’re ready to watch your aquatic pets thrive in their new home.

Remember to keep an eye on them and maintain the tank regularly to ensure they stay healthy and happy.

Caring for Your Fish with a Top Cover

If you want to keep your fish healthy, happy, and safe, a top cover for your aquarium is a must-have. Not only does it protect your fish from curious pets or children, but it also helps maintain a stable temperature and keeps debris out of the water. Creating your own top cover is straightforward and can be done with a few simple materials.

First, measure the dimensions of your aquarium and cut a piece of clear acrylic to fit. Then, use silicone adhesive to attach plastic egg crate to the top of the acrylic sheet. The egg crate allows air to flow in and out of the tank while keeping larger objects or predators at bay.

Lastly, secure the cover onto the aquarium with clips or suction cups. With a little bit of effort, you can rest easy knowing that your fish are safe and secure in their little underwater oasis.

Prevents Fish from Jumping Out of the Tank

If you’re someone who loves to keep fish at home as a pet, you’d know how heartbreaking it is when they jump out of their tank. Not only do you lose a precious life, but you also have to deal with the mess of cleaning it up. However, there is a simple solution for this problem – a top cover.

By adding a top cover to your fish tank, you can ensure that your fish stay in the water where they belong. The top cover not only makes it difficult for the fish to jump out but also prevents any outside contaminants from entering the tank. It also helps to maintain a consistent water temperature, which is essential for the health and well-being of your fish.

Therefore, it’s crucial to invest in a high-quality top cover that fits your tank size perfectly. By caring for your fish in this manner, you can rest assured that they are well-protected and happy in their aquatic home.

Reduces the Amount of Evaporation

Caring for your fish can seem like a complicated task, but there are simple things you can do to make their life easier. One of those things is adding a top cover to your aquarium. Not only does it add to the aesthetic of your tank, but it also reduces the amount of evaporation.

This means that you’ll need to refill your aquarium less often, which saves you time and effort. Additionally, the top cover helps to maintain a stable temperature and keeps your fish from jumping out of the water. It’s a small investment that can make a big difference in the health and well-being of your fish.

So if you haven’t already, consider adding a top cover to your aquarium today. Your fish will thank you for it!

Helps Keep the Water Clean

One of the most important aspects of caring for your pet fish is keeping the water clean. A top cover is a great addition to any aquarium to help with this task. Not only does it prevent debris and unwanted objects from falling into the water, but it also reduces the amount of evaporation, which maintains a consistent water level.

This means less stress for your fish and a cleaner environment for them to thrive in. Think of the top cover like a shield that protects your fish’s home from outside elements while allowing them to swim freely and safely. With a top cover, you can enjoy a healthier and more beautiful aquarium while ensuring the well-being of your aquatic pets.


In conclusion, making a fish aquarium top is an easy and fun project that can be done with just a few simple materials. By using mesh screens, cut-to-size acrylic sheets, and some creative engineering, you can create a top that not only keeps your fish safely contained but also adds a stylish touch to your aquarium. So, whether you’re a seasoned DIY enthusiast or a first-time aquarist, give this project a try and watch your fish swim safely under your newfound masterpieces!”


Why is a top necessary for a fish aquarium?
A top prevents fish from jumping out of the aquarium and also keeps other pets or objects from accidentally falling into the water.

What are the different materials I can use to make a fish aquarium top?
The most common materials used for aquarium tops are glass, acrylic, and mesh screen.

Do I need to customize my fish aquarium top according to the size of my tank?
Yes, the top must be customized to fit the size of your tank for proper coverage and support.

Can I make a fish aquarium top on my own or should I buy one pre-made?
Making your own aquarium top is doable, but buying a pre-made one is often more convenient and has more safety features in place.

How can I ensure the top doesn’t obstruct the light for my plants or fish?
Use a transparent material such as glass or acrylic, or incorporate small gaps or vents in the top to ensure proper light penetration.

Should I clean my fish aquarium top regularly and how can I do so?
Yes, cleaning the top is necessary to prevent algae growth and promote good air circulation. Use a non-toxic aquarium cleaner and a soft cloth to wipe it down.

How long should my fish aquarium top last and when should I consider replacing it?
With proper care, a fish aquarium top can last for years. Consider replacing it if it becomes damaged, cracked, or no longer fits properly.